main =>
    A = read_int(),
    B = read_int(),
    C = read_int(),

    X = 1,
    AA = 0,
    while (X < 2000)
        Y = 1,
        while ( Y < 2000 )
            if ( A*X + B*Y == C )then
                AA := AA + 1
            end,
            Y := Y + 1
        end,
        X := X + 1
    end,

    println(AA),

    X := 1,
    while (X < 2000)
        Y = 1,
        while ( Y < 2000 )
            if ( A*X + B*Y == C )then
                print(X),
                print(' '),
                println(Y)
            end,
            Y := Y + 1
        end,
        X := X + 1
    end.